/* Hub-specific styles — VisionCode Live Demos landing */

.hub-hero { padding-block: clamp(60px, 11vw, 130px) clamp(40px, 7vw, 80px); text-align: center; }
.hub-hero .container { display: flex; flex-direction: column; align-items: center; }
.hub-hero h1 { margin-block: 16px 18px; }
.hub-hero .lead { margin-inline: auto; }
.hub-hero .grad { background: var(--gradient-brand-fixed); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hub-hero .cta-row { margin-top: 30px; flex-wrap: wrap; justify-content: center; }
.hstat-row { display: flex; gap: 38px; margin-top: 46px; flex-wrap: wrap; justify-content: center; }
.hstat b { font-size: clamp(1.6rem, 3.2vw, 2.3rem); background: var(--gradient-brand-fixed); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; }
.hstat span { color: var(--muted); font-size: .9rem; font-weight: 600; }

.trust-bar { border-block: 1px solid var(--steel); background: var(--bg-2); padding: 32px 0; }
.trust-intro { max-width: 760px; margin: 0 auto 24px; }
.trust-intro-copy { margin: 12px auto 0; }
.trust-metrics { justify-content: space-around; flex-wrap: wrap; gap: 24px; text-align: center; }
.trust-metric h3 { font-size: 2.5rem; margin-bottom: 4px; color: #3BC9F0; }
.demos-intro { max-width: 680px; margin-inline: auto; }
.demos-sub { margin-inline: auto; }

/* Demo grid cards */
.demos-grid { grid-template-columns: repeat(3, 1fr); margin-top: 42px; }
.demo-card { display: flex; flex-direction: column; gap: 14px; position: relative; overflow: hidden; }

/* Magnetic Background Glow Effect */
.demo-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 100%;
  background: radial-gradient(400px circle at var(--mouse-x, center) var(--mouse-y, center), rgba(255,255,255,0.06), transparent 40%);
  z-index: 0; opacity: 0; transition: opacity 0.4s var(--ease); pointer-events: none;
}
.demo-card.hover:hover::before { opacity: 1; }
.demo-card > * { position: relative; z-index: 1; pointer-events: auto; }

/* Image Preview on hover */
.demo-preview {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.demo-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg) 15%, rgba(10, 10, 10, 0.7) 60%, var(--bg) 100%);
  z-index: 1;
}
.demo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1) translateY(10px);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  opacity: 0.3;
  filter: grayscale(100%) contrast(1.2);
}
.demo-card.hover:hover .demo-preview {
  opacity: 1;
}
.demo-card.hover:hover .demo-preview img {
  transform: scale(1) translateY(0);
  filter: grayscale(40%) contrast(1.1);
  opacity: 0.6;
}

.demo-ico {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--gradient-steel); border: 1px solid var(--steel); position: relative; z-index: 1;
}
.demo-ico svg { width: 28px; height: 28px; stroke: var(--accent); }
.demo-card .cat { position: absolute; inset-block-start: 18px; inset-inline-end: 18px; z-index: 2; }
.demo-card h3 { font-size: 1.22rem; }
.demo-card .desc { color: var(--muted); font-size: .94rem; flex: 1; }
.demo-card .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.demo-card .open-row { margin-top: 4px; }
.demo-card .open-row .btn { width: 100%; transition: background 0.6s var(--ease), box-shadow 0.6s var(--ease); }
.demo-card .open-row .btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
}
.demo-card.hover:hover .open-row .btn-accent {
  box-shadow: 0 8px 24px var(--accent);
}

/* Services strip */
.services-section { background: var(--bg-2); border-block: 1px solid var(--steel); }
.services-sub { max-width: 740px; }
.svc-grid { grid-template-columns: repeat(3, 1fr); margin-top: 34px; }
.svc { display: flex; gap: 14px; align-items: flex-start; }
.svc .ic { width: 42px; height: 42px; flex: none; border-radius: 11px; display: grid; place-items: center; background: rgba(59,201,240,.1); color: #3BC9F0; font-size: 1.3rem; }
.svc h4 { font-size: 1rem; margin-bottom: 3px; }
.svc p { color: var(--muted); font-size: .88rem; }

/* Contact band */
.contact-band { background: var(--gradient-steel); border: 1px solid var(--steel); border-radius: var(--radius-lg); padding: clamp(28px, 5vw, 50px); }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: center; }
.contact-actions { margin-top: 22px; flex-wrap: wrap; }
.contact-list a { display: flex; align-items: center; gap: 12px; padding: 10px 0; font-weight: 600; }
.contact-list .ic { width: 40px; height: 40px; border-radius: 11px; background: var(--surface); border: 1px solid var(--steel); display: grid; place-items: center; color: #3BC9F0; flex: none; }

.footer-blurb { margin-top: 12px; max-width: 34ch; }

@media (max-width: 980px) { .demos-grid, .svc-grid { grid-template-columns: repeat(2, 1fr); } .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .demos-grid, .svc-grid { grid-template-columns: 1fr; } }

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand-fixed);
  color: #05222b;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  cursor: pointer;
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.back-to-top.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
}
html[lang="ar"] .back-to-top { right: auto; left: 24px; }